Find the average of the set of numbers.
and 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Answer true or false.{a | a is an even integer} ? {b | b is a negative integer}
A. False B. True
Mathematics
Multiply.(9z + 11)2
A. 9z2 + 198z + 121 B. 81z2 + 121 C. 81z2 + 198z + 121 D. 9z2 + 121
Mathematics
The histogram shows the scores of each participant in a game from a total of 100 participants. Use the histogram to answer the question. 
How many participants scored 40-59?
A. 38 participants B. 3 participants C. 16 participants D. 25 participants
Mathematics
Divide.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Mathematics